Question

ij³ÇÊа´ÒÔϹ涨ÊÕȡÿÔÂúÆø·Ñ£ºÓÃúÆø²»³¬¹ý£¬°´0.8Ôª/ÊÕ·Ñ£»Èç¹û³¬¹ý³¬¹ý²¿·Ö°´1.2Ôª/ÊÕ·Ñ.£¨1£©ÉèúÆøÓÃÁ¿Îª,Ó¦½»ÃºÆø·ÑΪԪ£¬Çëд³ö¹ØÓڵĺ¯Êý½âÎöʽ£»£¨2£©ÒÑ֪СÁÁ¼ÒÒ»Ô·ݵÄúÆø·Ñƽ¾ùÿÁ¢·½Ã×0.88Ôª£¬ÄÇô£¬Ò»Ô·ÝСÁÁ¼ÒÓÃÁ˶àÉÙÁ¢·½Ã×µÄúÆø£¿

¡¾½âÎö¡¿±¾ÌâÊÇÒ»µÀÒ»´Îº¯ÊýµÄ×ÛºÏÓ¦ÓÃÌ⣬ÔËÓÃÒ»´Îº¯ÊýµÄ½âÎöʽ½â¾öʵ¼ÊÎÊÌ⣮½âÌâ¹Ø¼üÊÇÒª¶Á¶®ÌâÄ¿µÄÒâ˼£¬¸ù¾ÝÌâÄ¿¸ø³öµÄÌõ¼þ£¬ÕÒ³öºÏÊʵĵÈÁ¿¹Øϵ£¬Áгöº¯Êýʽ£¬ÔÙÇó½â

 

Answer 1

½â£ºÈ磨1£©¡­¡­¡­  4

£¨2£©ÒÀÌâÒâµÃ£º1.2x-24=0.88x, ¡­¡­¡­¡­¡­¡­¡­  6

          ½âµÃ£ºx=75¡­¡­¡­¡­¡­¡­¡­ 7

´ð£º        ¡­¡­¡­¡­¡­¡­¡­ 8